docs: update CHANGELOG.md

Co-authored-by: Uglješa Erceg <[email protected]>

Author: shashanksu

CHANGELOG.md

@@ -1,6 +1,6 @@
 ### Version 4.38.2 (26th February 2024)
 #### Fixed
-- Updated SDK package signing from its creation to while sending.  This fixes the invalid siganture cases when any parameters added into the package after signing.
+- Fixed occasional invalid signature cases when SDK package payload would be altered right before sending.
 
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